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Volumn 47, Issue 21, 2008, Pages 4016-4018

Chiral phosphoric acid catalyzed enantioselective Friedel-Crafts alkylation of indoles with nitroalkenes: Cooperative effect of 3 Å molecular sieves

Author keywords

Asymmetric synthesis; Br nsted acids; Enantioselectivity; Friedel Crafts alkylation; Indoles

Indexed keywords

ACIDS; ALKYLATION; CATALYSIS; CHEMICAL REACTIONS; ENANTIOSELECTIVITY; HYDROCARBONS; MOLECULAR SIEVES; PHOSPHORIC ACID;

EID: 47049125893     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200800770     Document Type: Article
Times cited : (283)

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    • The absolute stereochemistry of 4a was determined by chiral HPLC analysis by comparison to the retention time described in the reference
    • The absolute stereochemistry of 4a was determined by chiral HPLC analysis by comparison to the retention time described in the reference [3c].
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    • The powdered 3 Å molecuar sieves were activated by placing the powder under vacuum and heating with a heat gun for 10 minutes.
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    • When 1a and 2a were treated with 3 Å M.S. alone, 4a was obtained in 3% yield.
    • When 1a and 2a were treated with 3 Å M.S. alone, 4a was obtained in 3% yield.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.